Pipeline IDs
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Overview
Currently, there is no native support for unique identifiers in vtk/ParaView. There are many issues that relate to this.
Proposal
Pedigree ID
A pedigree ID is defined as the ID which relates input objects to output objects. It is used to follow the 'pedigree' of an object. This ID is applied by a filter, in a way defined by its operation. Two examples illustrate its use.
Definition A Pedigree ID is copied from